【单选题】dataA．n.主修科目B．n.指令C．n.模型D．n.资料; datum的复数; 数据
【单选题】data
A．n.主修科目
B．n.指令
C．n.模型
D．n.资料; datum的复数; 数据
参考答案和解析
B
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